Inventor
ROSS CALVIN J
GB3 patents
Patents
3 patentsUS5261601ANov 16, 1993
Liquid dispensing apparatus having a vibrating perforate membrane
BESPAK PLC286 citations97
US5152456AOct 6, 1992
Dispensing apparatus having a perforate outlet member and a vibrating device
BESPAK PLC323 citations97
US5205819AApr 27, 1993
Pump apparatus for biomedical use
BESPAK PLC404 citations96